* Move Config classes from executor.py to config.py.
* Move Environment and Test config to config.py.
* Move Coverage/CoverageReport Config to config.py.
* Clean up type hints.
- Overhauled coverage injector to fix issues with non-local tests.
- Updated integration tests to work with the new coverage injector.
- Fix concurrency issue by using random temp files for delegation.
- Fix handling of coverage files from root user.
- Fix handling of coverage files without arcs.
- Make sure temp copy of injector is world readable and executable.
* Handle old versions of coverage.
* Handle old versions of setuptools.
* Detect python version for docker/remote units.
* Add sanity override for test constraints.
* Refactor sanity classes for use in all tests.
* Use lint/junit output for compile test.
* Add missing options for compile test.
* Fix early bailout on requirements install.
- Tests are run to completion instead of stopping on first failure.
- Test results are now parsed instead of passing through to the console.
- Test results can be saved in junit xml format.
- Test results will show up on the Shippable "Tests" result tab.
- Added an experimental --lint option for easier integration with other tools.
- Code smell tests are now usable with the --list-tests, --test and --skip-test options.
- Code split out from executor.py into sanity.py.
- Rename download-logs to download.py and add support for test and coverage results.
- Miscellaneous improvements.
